<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 --->
      <div class="avatar_box">
        <img class="img_png" src="../assets/logo.png" alt />
      </div>
      <!-- 表单区域 --->
      <el-form
        ref="loginFormRef"
        :model="loginForm"
        :rules="loginFormRules"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 --->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="el-icon-user"
          ></el-input>
        </el-form-item>
        <!-- 密码 --->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            prefix-icon="el-icon-lock"
            type="password"
          ></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script lang="ts">
import { Component, Vue } from 'vue-property-decorator'
import { loginUser } from '../api/http'
import { msgCommon } from '../utils/commsg'
interface LoginData {
    username: string;
    password: string;
}

@Component
export default class Login extends Vue {
  [x: string]: any
  loginForm: LoginData = {
    username: 'admin',
    password: '123456'
  }

  loginFormRules: object = {
    username: [
      { required: true, message: '请输入登录名称', trigger: 'blur' },
      { min: 3, max: 10, message: '长度字符在3-10之间', trigger: 'blur' }
    ],
    password: [
      { required: true, message: '请输入登录名称', trigger: 'blur' },
      { min: 6, max: 18, message: '请输入6到18位密码', trigger: 'blur' }
    ]
  }

  resetLoginForm() {
    (this as any).$refs.loginFormRef.resetFields()
    console.log(this)
  }

  login() {
    (this as any).$refs.loginFormRef.validate(async (valid: boolean) => {
      if (!valid) return msgCommon('error', '请输入完整的用户信息！')
      const { data: res } = await loginUser(this.loginForm)
      if (res.meta.status !== 200) return msgCommon('error', '登录失败！')
      msgCommon('success', '登录成功!')
      window.sessionStorage.setItem('token', res.data.token)
      this.$router.push('/home')
    })
  }
}
</script>
<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #ffffff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #eee;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
